./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label45.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd7bfdc90ad274b856f062dcd9b414cf1c7c524311f5a91ee1cc532e8e6a452d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:45:04,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:45:04,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:45:04,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:45:04,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:45:04,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:45:04,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:45:04,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:45:04,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:45:04,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:45:04,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:45:04,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:45:04,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:45:04,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:45:04,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:45:04,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:45:04,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:45:04,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:45:04,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:45:04,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:45:04,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:45:04,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:45:04,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:45:04,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:45:04,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:45:04,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:45:04,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:45:04,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:45:04,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:45:04,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:45:04,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:45:04,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:45:04,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:45:04,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:45:04,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:45:04,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:45:04,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:45:04,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:45:04,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:45:04,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:45:04,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:45:04,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:45:04,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:45:04,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:45:04,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:45:04,569 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:45:04,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:45:04,569 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:45:04,570 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:45:04,570 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:45:04,570 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:45:04,570 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:45:04,572 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:45:04,572 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:45:04,572 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:45:04,572 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:45:04,573 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:45:04,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:45:04,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:45:04,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:45:04,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:45:04,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:45:04,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:45:04,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:45:04,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:45:04,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:45:04,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:45:04,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:45:04,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:45:04,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:45:04,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:45:04,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:45:04,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:45:04,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:45:04,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:45:04,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:45:04,579 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:45:04,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:45:04,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:45:04,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:45:04,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:45:04,581 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7bfdc90ad274b856f062dcd9b414cf1c7c524311f5a91ee1cc532e8e6a452d [2021-10-24 10:45:04,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:45:04,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:45:04,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:45:04,879 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:45:04,880 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:45:04,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/eca-rers2012/Problem02_label45.c [2021-10-24 10:45:04,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/data/3f0c606eb/88c739bcd868435b8a80babcf7d7618d/FLAGd36fd803c [2021-10-24 10:45:05,478 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:45:05,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/sv-benchmarks/c/eca-rers2012/Problem02_label45.c [2021-10-24 10:45:05,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/data/3f0c606eb/88c739bcd868435b8a80babcf7d7618d/FLAGd36fd803c [2021-10-24 10:45:05,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/data/3f0c606eb/88c739bcd868435b8a80babcf7d7618d [2021-10-24 10:45:05,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:45:05,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:45:05,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:45:05,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:45:05,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:45:05,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:45:05" (1/1) ... [2021-10-24 10:45:05,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad145f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:05, skipping insertion in model container [2021-10-24 10:45:05,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:45:05" (1/1) ... [2021-10-24 10:45:05,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:45:05,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:45:06,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/sv-benchmarks/c/eca-rers2012/Problem02_label45.c[14744,14757] [2021-10-24 10:45:06,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:45:06,260 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:45:06,362 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/sv-benchmarks/c/eca-rers2012/Problem02_label45.c[14744,14757] [2021-10-24 10:45:06,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:45:06,394 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:45:06,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06 WrapperNode [2021-10-24 10:45:06,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:45:06,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:45:06,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:45:06,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:45:06,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:45:06,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:45:06,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:45:06,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:45:06,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:45:06,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:45:06,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:45:06,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:45:06,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (1/1) ... [2021-10-24 10:45:06,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:45:06,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:06,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:45:06,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:45:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:45:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:45:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:45:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:45:08,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:45:08,564 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 10:45:08,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:08 BoogieIcfgContainer [2021-10-24 10:45:08,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:45:08,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:45:08,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:45:08,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:45:08,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:45:05" (1/3) ... [2021-10-24 10:45:08,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9f8022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:45:08, skipping insertion in model container [2021-10-24 10:45:08,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:45:06" (2/3) ... [2021-10-24 10:45:08,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9f8022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:45:08, skipping insertion in model container [2021-10-24 10:45:08,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:08" (3/3) ... [2021-10-24 10:45:08,577 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label45.c [2021-10-24 10:45:08,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:45:08,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 10:45:08,645 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:45:08,654 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:45:08,655 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 10:45:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 83 states have (on average 1.9518072289156627) internal successors, (162), 84 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-24 10:45:08,688 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:08,689 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:08,690 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:08,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1243247530, now seen corresponding path program 1 times [2021-10-24 10:45:08,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:08,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780824339] [2021-10-24 10:45:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:08,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:09,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:09,068 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:09,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780824339] [2021-10-24 10:45:09,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780824339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:09,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:09,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:45:09,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367329929] [2021-10-24 10:45:09,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:09,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:09,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:09,092 INFO L87 Difference]: Start difference. First operand has 85 states, 83 states have (on average 1.9518072289156627) internal successors, (162), 84 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:09,474 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2021-10-24 10:45:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:09,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-10-24 10:45:09,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:09,496 INFO L225 Difference]: With dead ends: 251 [2021-10-24 10:45:09,496 INFO L226 Difference]: Without dead ends: 163 [2021-10-24 10:45:09,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-10-24 10:45:09,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-10-24 10:45:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.8395061728395061) internal successors, (298), 162 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 298 transitions. [2021-10-24 10:45:09,552 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 298 transitions. Word has length 80 [2021-10-24 10:45:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:09,553 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 298 transitions. [2021-10-24 10:45:09,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 298 transitions. [2021-10-24 10:45:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-24 10:45:09,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:09,558 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:09,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:45:09,559 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:09,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:09,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1832989599, now seen corresponding path program 1 times [2021-10-24 10:45:09,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:09,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125435757] [2021-10-24 10:45:09,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:09,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:09,648 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:09,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125435757] [2021-10-24 10:45:09,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125435757] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:09,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:09,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:45:09,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951907074] [2021-10-24 10:45:09,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:09,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:09,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:09,654 INFO L87 Difference]: Start difference. First operand 163 states and 298 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:10,063 INFO L93 Difference]: Finished difference Result 485 states and 891 transitions. [2021-10-24 10:45:10,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:10,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-10-24 10:45:10,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:10,066 INFO L225 Difference]: With dead ends: 485 [2021-10-24 10:45:10,066 INFO L226 Difference]: Without dead ends: 323 [2021-10-24 10:45:10,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-10-24 10:45:10,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2021-10-24 10:45:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.515527950310559) internal successors, (488), 322 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 488 transitions. [2021-10-24 10:45:10,089 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 488 transitions. Word has length 84 [2021-10-24 10:45:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:10,090 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 488 transitions. [2021-10-24 10:45:10,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 488 transitions. [2021-10-24 10:45:10,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-24 10:45:10,095 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:10,095 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:10,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 10:45:10,096 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:10,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:10,103 INFO L82 PathProgramCache]: Analyzing trace with hash -2045258524, now seen corresponding path program 1 times [2021-10-24 10:45:10,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:10,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105325876] [2021-10-24 10:45:10,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:10,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:10,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:10,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105325876] [2021-10-24 10:45:10,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105325876] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:10,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:10,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:10,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284485790] [2021-10-24 10:45:10,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:10,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:10,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:10,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:10,222 INFO L87 Difference]: Start difference. First operand 323 states and 488 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:10,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:10,565 INFO L93 Difference]: Finished difference Result 805 states and 1271 transitions. [2021-10-24 10:45:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:10,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-10-24 10:45:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:10,570 INFO L225 Difference]: With dead ends: 805 [2021-10-24 10:45:10,570 INFO L226 Difference]: Without dead ends: 483 [2021-10-24 10:45:10,571 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:10,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2021-10-24 10:45:10,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2021-10-24 10:45:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 482 states have (on average 1.4066390041493777) internal successors, (678), 482 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 678 transitions. [2021-10-24 10:45:10,594 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 678 transitions. Word has length 89 [2021-10-24 10:45:10,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:10,595 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 678 transitions. [2021-10-24 10:45:10,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2021-10-24 10:45:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-24 10:45:10,601 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:10,601 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:10,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 10:45:10,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:10,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:10,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2122044601, now seen corresponding path program 1 times [2021-10-24 10:45:10,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:10,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126074474] [2021-10-24 10:45:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:10,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:10,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:10,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126074474] [2021-10-24 10:45:10,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126074474] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:45:10,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408508442] [2021-10-24 10:45:10,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:10,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:10,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:45:10,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-24 10:45:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:10,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:45:10,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:45:11,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:45:11,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408508442] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:11,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-24 10:45:11,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [3] total 4 [2021-10-24 10:45:11,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575048958] [2021-10-24 10:45:11,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:11,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:11,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:11,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:45:11,611 INFO L87 Difference]: Start difference. First operand 483 states and 678 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:11,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:11,935 INFO L93 Difference]: Finished difference Result 1285 states and 1841 transitions. [2021-10-24 10:45:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:11,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-10-24 10:45:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:11,941 INFO L225 Difference]: With dead ends: 1285 [2021-10-24 10:45:11,941 INFO L226 Difference]: Without dead ends: 803 [2021-10-24 10:45:11,942 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:45:11,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-10-24 10:45:11,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 803. [2021-10-24 10:45:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 802 states have (on average 1.4064837905236909) internal successors, (1128), 802 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1128 transitions. [2021-10-24 10:45:11,968 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1128 transitions. Word has length 89 [2021-10-24 10:45:11,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:11,971 INFO L470 AbstractCegarLoop]: Abstraction has 803 states and 1128 transitions. [2021-10-24 10:45:11,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1128 transitions. [2021-10-24 10:45:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-24 10:45:11,984 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:11,984 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:12,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:12,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:12,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:12,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:12,193 INFO L82 PathProgramCache]: Analyzing trace with hash -522357458, now seen corresponding path program 1 times [2021-10-24 10:45:12,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:12,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313180761] [2021-10-24 10:45:12,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:12,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:12,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:12,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313180761] [2021-10-24 10:45:12,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313180761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:12,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:12,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:12,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62268587] [2021-10-24 10:45:12,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:12,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:12,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:12,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:12,271 INFO L87 Difference]: Start difference. First operand 803 states and 1128 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:12,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:12,649 INFO L93 Difference]: Finished difference Result 2085 states and 2931 transitions. [2021-10-24 10:45:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:12,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-24 10:45:12,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:12,657 INFO L225 Difference]: With dead ends: 2085 [2021-10-24 10:45:12,657 INFO L226 Difference]: Without dead ends: 1283 [2021-10-24 10:45:12,658 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:12,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-10-24 10:45:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1283. [2021-10-24 10:45:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 1282 states have (on average 1.3088923556942278) internal successors, (1678), 1282 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1678 transitions. [2021-10-24 10:45:12,699 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1678 transitions. Word has length 93 [2021-10-24 10:45:12,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:12,700 INFO L470 AbstractCegarLoop]: Abstraction has 1283 states and 1678 transitions. [2021-10-24 10:45:12,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1678 transitions. [2021-10-24 10:45:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-10-24 10:45:12,706 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:12,707 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:12,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 10:45:12,707 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:12,708 INFO L82 PathProgramCache]: Analyzing trace with hash 130975139, now seen corresponding path program 1 times [2021-10-24 10:45:12,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:12,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005426905] [2021-10-24 10:45:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:12,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:45:12,773 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:12,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005426905] [2021-10-24 10:45:12,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005426905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:12,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:12,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:45:12,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497965667] [2021-10-24 10:45:12,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:12,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:12,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:12,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:12,784 INFO L87 Difference]: Start difference. First operand 1283 states and 1678 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:13,131 INFO L93 Difference]: Finished difference Result 3045 states and 4101 transitions. [2021-10-24 10:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:13,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-10-24 10:45:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:13,142 INFO L225 Difference]: With dead ends: 3045 [2021-10-24 10:45:13,142 INFO L226 Difference]: Without dead ends: 1763 [2021-10-24 10:45:13,144 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:13,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2021-10-24 10:45:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1763. [2021-10-24 10:45:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1762 states have (on average 1.2905788876276958) internal successors, (2274), 1762 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2274 transitions. [2021-10-24 10:45:13,196 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2274 transitions. Word has length 94 [2021-10-24 10:45:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:13,196 INFO L470 AbstractCegarLoop]: Abstraction has 1763 states and 2274 transitions. [2021-10-24 10:45:13,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2274 transitions. [2021-10-24 10:45:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-24 10:45:13,200 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:13,201 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:13,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 10:45:13,201 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:13,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:13,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1065355538, now seen corresponding path program 1 times [2021-10-24 10:45:13,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:13,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720859934] [2021-10-24 10:45:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:13,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-24 10:45:13,288 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:13,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720859934] [2021-10-24 10:45:13,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720859934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:13,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:13,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:13,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515483200] [2021-10-24 10:45:13,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:13,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:13,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:13,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:13,292 INFO L87 Difference]: Start difference. First operand 1763 states and 2274 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:13,618 INFO L93 Difference]: Finished difference Result 3525 states and 4547 transitions. [2021-10-24 10:45:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:13,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-10-24 10:45:13,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:13,628 INFO L225 Difference]: With dead ends: 3525 [2021-10-24 10:45:13,628 INFO L226 Difference]: Without dead ends: 1763 [2021-10-24 10:45:13,630 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:13,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2021-10-24 10:45:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1603. [2021-10-24 10:45:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1602 states have (on average 1.2602996254681649) internal successors, (2019), 1602 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2019 transitions. [2021-10-24 10:45:13,673 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2019 transitions. Word has length 113 [2021-10-24 10:45:13,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:13,673 INFO L470 AbstractCegarLoop]: Abstraction has 1603 states and 2019 transitions. [2021-10-24 10:45:13,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2019 transitions. [2021-10-24 10:45:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-24 10:45:13,677 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:13,677 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:13,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 10:45:13,677 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:13,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:13,678 INFO L82 PathProgramCache]: Analyzing trace with hash 588812775, now seen corresponding path program 1 times [2021-10-24 10:45:13,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:13,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859036435] [2021-10-24 10:45:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:13,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:45:13,765 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:13,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859036435] [2021-10-24 10:45:13,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859036435] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:45:13,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860574533] [2021-10-24 10:45:13,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:13,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:13,767 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:45:13,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-24 10:45:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:13,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:45:13,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:14,211 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:45:14,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 10:45:14,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860574533] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:14,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-24 10:45:14,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2021-10-24 10:45:14,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465627330] [2021-10-24 10:45:14,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:14,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:14,489 INFO L87 Difference]: Start difference. First operand 1603 states and 2019 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:14,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:14,817 INFO L93 Difference]: Finished difference Result 3445 states and 4483 transitions. [2021-10-24 10:45:14,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:14,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-10-24 10:45:14,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:14,830 INFO L225 Difference]: With dead ends: 3445 [2021-10-24 10:45:14,831 INFO L226 Difference]: Without dead ends: 1843 [2021-10-24 10:45:14,833 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:14,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2021-10-24 10:45:14,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1843. [2021-10-24 10:45:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1842 states have (on average 1.267100977198697) internal successors, (2334), 1842 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2334 transitions. [2021-10-24 10:45:14,878 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2334 transitions. Word has length 113 [2021-10-24 10:45:14,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:14,879 INFO L470 AbstractCegarLoop]: Abstraction has 1843 states and 2334 transitions. [2021-10-24 10:45:14,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:14,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2334 transitions. [2021-10-24 10:45:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-24 10:45:14,882 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:14,883 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:14,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:15,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:15,101 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:15,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:15,102 INFO L82 PathProgramCache]: Analyzing trace with hash 266594140, now seen corresponding path program 1 times [2021-10-24 10:45:15,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:15,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083627923] [2021-10-24 10:45:15,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:15,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 10:45:15,179 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:15,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083627923] [2021-10-24 10:45:15,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083627923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:15,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:15,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:15,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87223911] [2021-10-24 10:45:15,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:15,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:15,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:15,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:15,181 INFO L87 Difference]: Start difference. First operand 1843 states and 2334 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:15,509 INFO L93 Difference]: Finished difference Result 4085 states and 5233 transitions. [2021-10-24 10:45:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:15,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-24 10:45:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:15,522 INFO L225 Difference]: With dead ends: 4085 [2021-10-24 10:45:15,522 INFO L226 Difference]: Without dead ends: 2243 [2021-10-24 10:45:15,525 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:15,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2021-10-24 10:45:15,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 2003. [2021-10-24 10:45:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.2602397602397601) internal successors, (2523), 2002 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2523 transitions. [2021-10-24 10:45:15,579 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2523 transitions. Word has length 114 [2021-10-24 10:45:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:15,579 INFO L470 AbstractCegarLoop]: Abstraction has 2003 states and 2523 transitions. [2021-10-24 10:45:15,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2523 transitions. [2021-10-24 10:45:15,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-24 10:45:15,584 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:15,584 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:15,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-24 10:45:15,584 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:15,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:15,588 INFO L82 PathProgramCache]: Analyzing trace with hash 860942219, now seen corresponding path program 1 times [2021-10-24 10:45:15,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:15,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920417358] [2021-10-24 10:45:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:15,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:15,717 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:45:15,717 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:15,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920417358] [2021-10-24 10:45:15,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920417358] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-24 10:45:15,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285255328] [2021-10-24 10:45:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:15,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:45:15,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:45:15,718 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:45:15,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-24 10:45:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:45:15,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:45:16,252 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:45:16,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:45:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:45:16,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285255328] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:16,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-24 10:45:16,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2021-10-24 10:45:16,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125806519] [2021-10-24 10:45:16,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:16,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:16,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:16,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:16,560 INFO L87 Difference]: Start difference. First operand 2003 states and 2523 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:16,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:16,862 INFO L93 Difference]: Finished difference Result 4005 states and 5035 transitions. [2021-10-24 10:45:16,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:16,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-10-24 10:45:16,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:16,872 INFO L225 Difference]: With dead ends: 4005 [2021-10-24 10:45:16,872 INFO L226 Difference]: Without dead ends: 2003 [2021-10-24 10:45:16,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.5ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:45:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-10-24 10:45:16,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 2003. [2021-10-24 10:45:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 2002 states have (on average 1.1953046953046953) internal successors, (2393), 2002 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 2393 transitions. [2021-10-24 10:45:16,920 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 2393 transitions. Word has length 133 [2021-10-24 10:45:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:16,920 INFO L470 AbstractCegarLoop]: Abstraction has 2003 states and 2393 transitions. [2021-10-24 10:45:16,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2393 transitions. [2021-10-24 10:45:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-10-24 10:45:16,925 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:16,925 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:16,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:45:17,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-24 10:45:17,140 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:17,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:17,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1690835763, now seen corresponding path program 1 times [2021-10-24 10:45:17,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:17,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938187237] [2021-10-24 10:45:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:17,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:45:17,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:17,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938187237] [2021-10-24 10:45:17,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938187237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:17,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:17,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:17,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962731457] [2021-10-24 10:45:17,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:17,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:17,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:17,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:17,248 INFO L87 Difference]: Start difference. First operand 2003 states and 2393 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:17,601 INFO L93 Difference]: Finished difference Result 4805 states and 5830 transitions. [2021-10-24 10:45:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:17,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2021-10-24 10:45:17,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:17,615 INFO L225 Difference]: With dead ends: 4805 [2021-10-24 10:45:17,616 INFO L226 Difference]: Without dead ends: 2803 [2021-10-24 10:45:17,620 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:17,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2021-10-24 10:45:17,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2803. [2021-10-24 10:45:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 2802 states have (on average 1.1805852962169878) internal successors, (3308), 2802 states have internal predecessors, (3308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 3308 transitions. [2021-10-24 10:45:17,684 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 3308 transitions. Word has length 162 [2021-10-24 10:45:17,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:17,685 INFO L470 AbstractCegarLoop]: Abstraction has 2803 states and 3308 transitions. [2021-10-24 10:45:17,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3308 transitions. [2021-10-24 10:45:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-10-24 10:45:17,690 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:17,691 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:17,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-24 10:45:17,691 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:17,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:17,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1525585717, now seen corresponding path program 1 times [2021-10-24 10:45:17,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:17,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200144818] [2021-10-24 10:45:17,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:17,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-24 10:45:17,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:17,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200144818] [2021-10-24 10:45:17,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200144818] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:17,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:17,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:17,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294043691] [2021-10-24 10:45:17,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:17,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:17,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:17,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:17,752 INFO L87 Difference]: Start difference. First operand 2803 states and 3308 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:18,074 INFO L93 Difference]: Finished difference Result 6165 states and 7301 transitions. [2021-10-24 10:45:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:18,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2021-10-24 10:45:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:18,089 INFO L225 Difference]: With dead ends: 6165 [2021-10-24 10:45:18,089 INFO L226 Difference]: Without dead ends: 2963 [2021-10-24 10:45:18,093 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:18,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2021-10-24 10:45:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2723. [2021-10-24 10:45:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 2722 states have (on average 1.1620132255694342) internal successors, (3163), 2722 states have internal predecessors, (3163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 3163 transitions. [2021-10-24 10:45:18,184 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 3163 transitions. Word has length 163 [2021-10-24 10:45:18,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:18,184 INFO L470 AbstractCegarLoop]: Abstraction has 2723 states and 3163 transitions. [2021-10-24 10:45:18,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3163 transitions. [2021-10-24 10:45:18,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-10-24 10:45:18,190 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:18,190 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:18,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-24 10:45:18,191 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:18,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:18,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1624973100, now seen corresponding path program 1 times [2021-10-24 10:45:18,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:18,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162537393] [2021-10-24 10:45:18,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:18,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-24 10:45:18,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:18,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162537393] [2021-10-24 10:45:18,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162537393] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:18,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:18,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:18,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590611539] [2021-10-24 10:45:18,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:18,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:18,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:18,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:18,276 INFO L87 Difference]: Start difference. First operand 2723 states and 3163 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:18,557 INFO L93 Difference]: Finished difference Result 5445 states and 6325 transitions. [2021-10-24 10:45:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:18,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2021-10-24 10:45:18,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:18,570 INFO L225 Difference]: With dead ends: 5445 [2021-10-24 10:45:18,570 INFO L226 Difference]: Without dead ends: 2563 [2021-10-24 10:45:18,573 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2021-10-24 10:45:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2483. [2021-10-24 10:45:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2483 states, 2482 states have (on average 1.1394037066881546) internal successors, (2828), 2482 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 2828 transitions. [2021-10-24 10:45:18,632 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 2828 transitions. Word has length 185 [2021-10-24 10:45:18,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:18,633 INFO L470 AbstractCegarLoop]: Abstraction has 2483 states and 2828 transitions. [2021-10-24 10:45:18,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2828 transitions. [2021-10-24 10:45:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-10-24 10:45:18,638 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:18,639 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:18,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-24 10:45:18,640 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:18,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:18,640 INFO L82 PathProgramCache]: Analyzing trace with hash 17251367, now seen corresponding path program 1 times [2021-10-24 10:45:18,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:18,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149562925] [2021-10-24 10:45:18,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:18,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-24 10:45:18,704 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:18,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149562925] [2021-10-24 10:45:18,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149562925] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:18,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:18,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 10:45:18,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98158470] [2021-10-24 10:45:18,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:18,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:18,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:18,706 INFO L87 Difference]: Start difference. First operand 2483 states and 2828 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:18,884 INFO L93 Difference]: Finished difference Result 4405 states and 4999 transitions. [2021-10-24 10:45:18,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:18,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2021-10-24 10:45:18,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:18,892 INFO L225 Difference]: With dead ends: 4405 [2021-10-24 10:45:18,892 INFO L226 Difference]: Without dead ends: 1523 [2021-10-24 10:45:18,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:18,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2021-10-24 10:45:18,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1523. [2021-10-24 10:45:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.0873850197109067) internal successors, (1655), 1522 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1655 transitions. [2021-10-24 10:45:18,949 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1655 transitions. Word has length 192 [2021-10-24 10:45:18,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:18,949 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 1655 transitions. [2021-10-24 10:45:18,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1655 transitions. [2021-10-24 10:45:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-10-24 10:45:18,953 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:18,953 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:18,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-24 10:45:18,954 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:18,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1375284853, now seen corresponding path program 1 times [2021-10-24 10:45:18,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:18,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841447532] [2021-10-24 10:45:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:18,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:45:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:45:19,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 10:45:19,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841447532] [2021-10-24 10:45:19,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841447532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 10:45:19,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:45:19,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 10:45:19,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012042612] [2021-10-24 10:45:19,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:45:19,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 10:45:19,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:45:19,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:19,062 INFO L87 Difference]: Start difference. First operand 1523 states and 1655 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:19,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:45:19,282 INFO L93 Difference]: Finished difference Result 3285 states and 3574 transitions. [2021-10-24 10:45:19,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:45:19,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2021-10-24 10:45:19,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:45:19,291 INFO L225 Difference]: With dead ends: 3285 [2021-10-24 10:45:19,291 INFO L226 Difference]: Without dead ends: 1683 [2021-10-24 10:45:19,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:45:19,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2021-10-24 10:45:19,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1683. [2021-10-24 10:45:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1682 states have (on average 1.0689655172413792) internal successors, (1798), 1682 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 1798 transitions. [2021-10-24 10:45:19,327 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 1798 transitions. Word has length 220 [2021-10-24 10:45:19,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:45:19,327 INFO L470 AbstractCegarLoop]: Abstraction has 1683 states and 1798 transitions. [2021-10-24 10:45:19,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:45:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 1798 transitions. [2021-10-24 10:45:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-10-24 10:45:19,332 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:45:19,332 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:45:19,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-24 10:45:19,333 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:45:19,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:45:19,333 INFO L82 PathProgramCache]: Analyzing trace with hash 114436880, now seen corresponding path program 1 times [2021-10-24 10:45:19,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:45:19,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539486506] [2021-10-24 10:45:19,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:45:19,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:45:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:45:19,381 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:45:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:45:19,509 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 10:45:19,509 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:45:19,510 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:45:19,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-24 10:45:19,518 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:45:19,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:45:19 BoogieIcfgContainer [2021-10-24 10:45:19,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:45:19,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:45:19,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:45:19,710 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:45:19,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:45:08" (3/4) ... [2021-10-24 10:45:19,712 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:45:19,885 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:45:19,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:45:19,887 INFO L168 Benchmark]: Toolchain (without parser) took 14135.55 ms. Allocated memory was 81.8 MB in the beginning and 224.4 MB in the end (delta: 142.6 MB). Free memory was 44.2 MB in the beginning and 148.8 MB in the end (delta: -104.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,887 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:45:19,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.73 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 44.0 MB in the beginning and 62.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.25 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 56.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,889 INFO L168 Benchmark]: Boogie Preprocessor took 57.31 ms. Allocated memory is still 102.8 MB. Free memory was 56.8 MB in the beginning and 52.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,889 INFO L168 Benchmark]: RCFGBuilder took 1997.29 ms. Allocated memory was 102.8 MB in the beginning and 142.6 MB in the end (delta: 39.8 MB). Free memory was 52.5 MB in the beginning and 92.4 MB in the end (delta: -39.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,890 INFO L168 Benchmark]: TraceAbstraction took 11138.96 ms. Allocated memory was 142.6 MB in the beginning and 224.4 MB in the end (delta: 81.8 MB). Free memory was 92.0 MB in the beginning and 183.4 MB in the end (delta: -91.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,890 INFO L168 Benchmark]: Witness Printer took 176.36 ms. Allocated memory is still 224.4 MB. Free memory was 183.4 MB in the beginning and 148.8 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:45:19,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 642.73 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 44.0 MB in the beginning and 62.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.25 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 56.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.31 ms. Allocated memory is still 102.8 MB. Free memory was 56.8 MB in the beginning and 52.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1997.29 ms. Allocated memory was 102.8 MB in the beginning and 142.6 MB in the end (delta: 39.8 MB). Free memory was 52.5 MB in the beginning and 92.4 MB in the end (delta: -39.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11138.96 ms. Allocated memory was 142.6 MB in the beginning and 224.4 MB in the end (delta: 81.8 MB). Free memory was 92.0 MB in the beginning and 183.4 MB in the end (delta: -91.3 MB). Peak memory consumption was 117.3 MB. Max. memory is 16.1 GB. * Witness Printer took 176.36 ms. Allocated memory is still 224.4 MB. Free memory was 183.4 MB in the beginning and 148.8 MB in the end (delta: 34.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 428]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int e= 5; [L19] int d= 4; [L20] int f= 6; [L21] int c= 3; [L24] int u = 21; [L25] int v = 22; [L26] int w = 23; [L27] int x = 24; [L28] int y = 25; [L29] int z = 26; [L32] int a25 = 0; [L33] int a11 = 0; [L34] int a28 = 7; [L35] int a19 = 1; [L36] int a21 = 1; [L37] int a17 = 8; [L613] int output = -1; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L244] COND TRUE ((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1))) [L245] a28 = 9 [L246] return 23; VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND TRUE (((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1)) [L405] a19 = 0 [L406] a28 = 7 [L407] return 25; VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND TRUE ((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1)) [L159] a11 = 1 [L160] a19 = 1 [L161] a28 = 10 [L162] a25 = 1 [L163] return -1; VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L624] output = calculate_output(input) [L616] COND TRUE 1 [L619] int input; [L620] input = __VERIFIER_nondet_int() [L621] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L40] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L48] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L52] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L57] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L60] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L79] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L84] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L92] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L101] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L105] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L109] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L116] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L133] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L140] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L144] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L149] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L153] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L164] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L195] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L197] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L201] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L208] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L222] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L235] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L242] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L244] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L247] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L258] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L263] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L269] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L290] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L296] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L301] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L303] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L307] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L319] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L324] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L338] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L341] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L347] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L359] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L364] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L371] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L385] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L388] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L390] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L399] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L408] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L412] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L417] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L419] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L424] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L427] COND TRUE ((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8)) VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L428] reach_error() VAL [a=1, a11=1, a17=8, a19=1, a21=1, a25=1, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10872.6ms, OverallIterations: 16, TraceHistogramMax: 6, EmptinessCheckTime: 92.8ms, AutomataDifference: 5057.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1251 SDtfs, 937 SDslu, 72 SDs, 0 SdLazy, 3395 SolverSat, 854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3412.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 707 GetRequests, 682 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 117.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2803occurred in iteration=11, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 687.2ms AutomataMinimizationTime, 15 MinimizatonAttempts, 720 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 163.2ms SsaConstructionTime, 518.7ms SatisfiabilityAnalysisTime, 2919.3ms InterpolantComputationTime, 2486 NumberOfCodeBlocks, 2486 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2573 ConstructedInterpolants, 0 QuantifiedInterpolants, 5178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 21 InterpolantComputations, 18 PerfectInterpolantSequences, 1411/1435 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-24 10:45:19,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a74db51-5297-4483-ad56-4c9cf1afe6df/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...